Defect monitoring system and method for injection mold

Abstract

The invention belongs to the technical field of mold monitoring, and particularly relates to a defect monitoring system and method for an injection mold, and the defect monitoring system comprises water gap cutting mechanisms which are used for detecting one or more defects of an injection molding part, the water gap cutting mechanisms at the two ends of the mold start to work, and after injection molding, the number of the injection molding part of the whole mold product is one or more; the material pulling assembly is used for carrying out material pulling output on a formed injection molding part at the discharging opening of the fixed mold or carrying out material pulling on the current discharging opening to remove damaged hardware when it is detected that one or more injection molding parts are bad; the control system is used for supervising injection molding of hardware in the fixed mold and controlling the water gap cutting-off mechanism and the material pulling assembly to work to remove damaged hardware in the mold cavity when detecting that one or more injection molding pieces are bad, so that the utilization rate of good products in one mold is reduced, meanwhile, plastic materials are saved, and the production efficiency is improved. And the rejection rate of hardware is reduced, and the effects of saving product cost and improving efficiency are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of mold monitoring, and in particular to a defect monitoring system and method for injection molds. Background Art

[0002] Injection molds play a vital role in the processing of plastic products, and their quality directly affects the appearance, function and service life of the products. However, injection molds are prone to various defects during use, such as erosion, wear, cracks, deformation, etc., which not only reduce the quality of the products, but also lead to production stoppages and economic losses. Therefore, real-time monitoring and early warning of injection mold defects are of great practical significance.

[0003] Traditional methods of monitoring defects in injection molds mainly rely on manual inspection, which has problems such as low efficiency, easy errors, and difficulty in timely detection of hidden defects. In recent years, with the advancement of sensor technology and the continuous development of artificial intelligence algorithms, injection mold defect monitoring systems based on sensors and machine learning have gradually attracted attention. This type of system uses sensors to collect various signals inside and outside the mold, such as temperature, pressure, vibration, etc., and analyzes and judges the signals through machine learning algorithms, thereby realizing real-time monitoring and early warning of mold defects.

[0004] Most existing defect monitoring systems for injection molds are limited to monitoring a certain type of defects, such as abnormal temperature, abnormal vibration, etc., and lack personalized monitoring capabilities for specific defects. At the same time, the real-time performance, reliability, and adaptability to environmental interference of existing systems need to be improved. Therefore, in view of the diversification and complexity of the needs for defect monitoring of injection molds, it is still necessary to continuously explore more effective, smarter, and more reliable monitoring methods and systems. When the existing mold is not equipped with a cutting mechanism, when the hardware product of the previous process is automatically pulled into the mold, after being detected by the in-mold monitor, if one or more defects are detected, this mold will not be injected and will be pulled away, that is, one whole mold of injection molded products will be missing;

[0005] In view of the above-mentioned technical defects, a defect monitoring system and method solution for injection molds is proposed. Summary of the invention

[0006] To solve the above problems, the present invention provides the following technical solutions:

[0007] A defect monitoring system for an injection mold, comprising an upper mold plate, a lower mold plate, a side mold plate, a mold cavity, a movable mold and a fixed mold, wherein the fixed mold is arranged between the upper mold plate and the lower mold plate, the movable mold is connected to an injection molding machine, the mold cavity is arranged between the upper mold plate and the lower mold plate and is used to install the fixed mold, and the side mold plate is arranged on the outer side of the movable mold; and further comprising:

[0008] A sprue cutting mechanism, which is arranged on the fixed mold and connected to the feeding port and the discharging port of the fixed mold. When one or more defective injection molded parts are detected, the sprue cutting mechanisms at both ends of the mold start to work, and after injection molding, one or more injection molded parts of the whole mold product are missing;

[0009] A material pulling component, which is arranged at the discharge port of the fixed mold, and is used to pull materials from the molded injection molded parts at the discharge port of the fixed mold, or to pull materials from the current discharge port to remove damaged hardware when one or more defective injection molded parts are detected;

[0010] A control system is provided, wherein the control system connects the water inlet cutting mechanism and the material pulling component, and the control system is used to supervise the injection molding of the hardware in the fixed mold. When one or more defective injection molded parts are detected, the water inlet cutting mechanism and the material pulling component are controlled to remove the damaged hardware in the mold cavity, thereby reducing material waste.

[0011] Furthermore, the water outlet cutting mechanism includes a controller, a water pipe, a connecting pipe and a water outlet, the controller is connected to the fixed mold, the controller is connected to the water pipe, the connecting pipe is connected to the water pipe, the water outlet is arranged on the connecting pipe, and the controller is used to receive the water output of the water outlet and control the water output of the water outlet to stop injection molding of the mold when one or more defects of the injection molded parts are detected.

[0012] Furthermore, the pulling assembly includes a pulling rod and a pulling track. The pulling track is arranged on the fixed mold, and the pulling rod is arranged on the pulling track. The pulling rod is connected to hardware. When one or more defective injection molded parts are detected, the pulling rod pulls out and cuts off the group of hardware to ensure the utilization rate of the material.

[0013] Furthermore, the control system comprises:

[0014] Defect detection module, used to detect the quality of injection molded parts, including visual sensors, laser sensors, temperature sensors, processing the images or data obtained by the sensors, judging whether the injection molded parts have defects, analyzing and making decisions on the sensor data, and determining whether the cutting mechanism needs to be activated;

[0015] The cutting mechanism control module receives the signal from the defect detection module and controls the action of the cutting mechanism according to the set logic, controls the gate cutting mechanism at both ends of the mold, and cuts off the injection runner;

[0016] The alarm and display module issues an alarm when a defect is detected or the cut-off mechanism is activated, notifies the operator, and provides real-time system status, defect information, and operation prompts;

[0017] Data recording and analysis module, which records various data in the production process, including defect type, frequency of occurrence, number of cuts, and analyzes the recorded data to help find the root cause of the problem and optimize the production process;

[0018] Communication module, which communicates with other production equipment or systems to transmit monitoring data and control instructions;

[0019] The system power supply and backup module provides stable power to the control module and sensors, ensuring that the system can maintain basic functions in the event of power outage or other failures.

[0020] Furthermore, the defect detection module includes a high-resolution visual sensor and a physical sensor for capturing the appearance information and physical properties of the injection molded parts, setting a lighting unit and providing sufficient lighting to ensure that the sensor can clearly capture images or detect physical conditions, converting the image data captured by the sensor into a digital signal processed by a computer, and executing an image processing algorithm to process the captured image data and compare it with preset defect standards to determine whether the injection molded parts have defects, and improving the accuracy and speed of defect detection through machine learning and deep learning algorithms.

[0021] Furthermore, the cutting mechanism control module includes a control unit for receiving signals transmitted by the defect detection module, and controlling the action of the cutting mechanism according to preset logic and conditions, performing complex logical operations and sequential control to ensure that the cutting mechanism performs the cutting operation at the correct time, controlling the switching state of the water outlet, controlling the cutting mechanism of the mold by air pressure or hydraulic pressure, monitoring the actual state of the cutting mechanism to ensure that it is in the correct position, confirming whether the cutting operation is successful through real-time feedback from the position sensor, checking the operating state of the cutting mechanism to ensure its normal operation, and issuing an alarm when an abnormality occurs.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. In a defect monitoring system and method for injection molds of the present invention, the gate cutting mechanism is used to detect one or more defective injection molded parts, and the gate cutting mechanisms at both ends of the mold start to work. After injection molding, the whole mold product has one or more injection molded parts missing; the material pulling component is used to pull the molded injection molded parts out of the fixed mold outlet, or when one or more defective injection molded parts are detected, the current outlet is pulled to remove the damaged hardware; the control system is used to supervise the injection molding of the hardware in the fixed mold, and when one or more defective injection molded parts are detected, the gate cutting mechanism and the material pulling component are controlled to pull and remove the damaged hardware in the mold cavity, which reduces the utilization rate of good products of a mold, saves plastic materials, reduces the scrap rate of hardware, and achieves the effect of saving product costs and improving efficiency;

[0024] 2. In a defect monitoring system and method for injection molds of the present invention, defect determination is performed, the collected data is analyzed to determine whether there are defects, and according to preset standards or thresholds, it is determined whether it is necessary to start the cutting mechanism, confirm the authenticity and severity of the defects to avoid false alarms or unnecessary cutting operations; the cutting mechanism is triggered, and the defect detection results are transmitted to the cutting mechanism control module, and it is determined whether to trigger the cutting operation according to the detection results, and a cutting signal is issued to start the water inlet cutting mechanism at both ends of the mold; the cutting mechanism performs the cutting operation according to the control signal, the water inlets at both ends of the mold are cut off, and the continued production of the injection molded parts is stopped; the defective parts that have been injected are checked and processed to ensure that they are removed from the production line, and the cutting operation is verified to be successful to ensure that no more defective parts are produced; the system is recalibrated and set to ensure the normal operation of the mold and the production line, and after confirming that the cutting operation is correct, normal injection molding production is resumed, and the injection molding damage of the injection mold is accurately controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings;

[0026] Figure 1 It is a schematic diagram of the overall structure of a defect monitoring system and method for an injection mold of the present invention;

[0027] Figure 2 A schematic diagram of the cross-sectional structure of a mold in a defect monitoring system and method for an injection mold of the present invention;

[0028] Figure 3 It is a structural schematic diagram of a water nozzle cutting mechanism in a defect monitoring system and method for an injection mold of the present invention;

[0029] Figure 4 It is a schematic diagram of the framework of a control system in a defect monitoring system and method for an injection mold of the present invention;

[0030] Figure 5 The present invention is a schematic flow chart of the method steps in a defect monitoring system and method for injection molds.

[0031] Figure numerals: 1. upper template; 2. lower template; 3. mold cavity; 4. fixed mold; 5. water inlet cutting mechanism; 51. controller; 52. water pipe; 53. connecting pipe; 54. water outlet; 6. material pulling assembly; 61. material pulling track; 62. material pulling rod. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] like Figure 1-5 As shown, a defect monitoring system for an injection mold includes an upper mold plate 1, a lower mold plate 2, a side mold plate, a mold cavity 3, a movable mold and a fixed mold 4, wherein the fixed mold 4 is arranged between the upper mold plate 1 and the lower mold plate 2, the movable mold is connected to an injection molding machine, the mold cavity 3 is arranged between the upper mold plate 1 and the lower mold plate 2 and is used to install the fixed mold 4, and the side mold plate is arranged on the outer side of the movable mold; and further includes:

[0034] The sprue cutting mechanism 5 is arranged on the fixed mold 4 and connected to the feeding port and the discharging port of the fixed mold 4. The sprue cutting mechanism 5 is used to detect that one or more defective injection molded parts are detected. The sprue cutting mechanisms 5 at both ends of the mold start to work, and after injection molding, one or more injection molded parts of the whole mold product are missing.

[0035] The material pulling component 6 is arranged at the discharge port of the fixed mold 4. The material pulling component 6 is used to pull the molded injection molded parts at the discharge port of the fixed mold 4 or to pull the materials from the current discharge port to remove the damaged hardware when one or more defective injection molded parts are detected;

[0036] The control system connects the sprue cutting mechanism 5 and the material pulling assembly 6. The control system is used to supervise the injection molding of the hardware in the fixed mold 4. When one or more defective injection molded parts are detected, the sprue cutting mechanism 5 and the material pulling assembly 6 are controlled to remove the damaged hardware in the mold cavity 3 to reduce material waste.

[0037] Specifically, the water outlet cutting mechanism 5 includes a controller 51, a water pipe 52, a connecting pipe 53 and a water outlet 54. The controller 51 is connected to the fixed mold 4. The controller 51 is connected to the water pipe 52. The connecting pipe 53 is connected to the water pipe 52. The water outlet 54 is arranged on the connecting pipe 53. The controller 51 is used to receive the water output of the water outlet 54 and control the injection of the mold at that location to stop the injection molding when one or more defects of the injection molded parts are detected. The pulling assembly 6 includes a pulling rod 62 and a pulling track 61. The pulling track 61 is arranged on the fixed mold 4. The pulling rod 62 is arranged on the pulling track 61. The pulling rod 62 is connected to the hardware. When one or more defects of the injection molded parts are detected, the pulling rod 62 pulls out and cuts off the hardware to ensure the utilization rate of the material.

[0038] Specifically, the control system includes:

[0039] Defect detection module, used to detect the quality of injection molded parts, including visual sensors, laser sensors, temperature sensors, processing the images or data obtained by the sensors, judging whether the injection molded parts have defects, analyzing and making decisions on the sensor data, and determining whether the cutting mechanism needs to be activated;

[0040] The cutting mechanism control module receives the signal from the defect detection module and controls the action of the cutting mechanism according to the set logic, controls the gate cutting mechanism at both ends of the mold, and cuts off the injection runner;

[0041] The alarm and display module issues an alarm when a defect is detected or the cut-off mechanism is activated, notifies the operator, and provides real-time system status, defect information, and operation prompts;

[0042] Data recording and analysis module, which records various data in the production process, including defect type, frequency of occurrence, number of cuts, and analyzes the recorded data to help find the root cause of the problem and optimize the production process;

[0043] Communication module, which communicates with other production equipment or systems to transmit monitoring data and control instructions;

[0044] The system power supply and backup module provides stable power to the control module and sensors, ensuring that the system can maintain basic functions in the event of power outage or other failures.

[0045] Specifically, the defect detection module includes a high-resolution visual sensor and a physical sensor, which are used to capture the appearance information and physical properties of the injection molded parts. A lighting unit is set and sufficient lighting is provided to ensure that the sensor can clearly capture images or detect physical conditions. The image data captured by the sensor is converted into a digital signal processed by a computer, and an image processing algorithm is executed to process the captured image data and compare it with the preset defect standards to determine whether the injection molded parts have defects. Through machine learning and deep learning algorithms, the accuracy and speed of defect detection are improved.

[0046] Specifically, the cutting mechanism control module includes a control unit, which is used to receive the signal transmitted by the defect detection module, and control the action of the cutting mechanism according to preset logic and conditions, perform complex logical operations and sequential control to ensure that the cutting mechanism performs the cutting operation at the correct time, control the switching state of the water outlet, control the cutting mechanism of the mold through air pressure or hydraulic pressure, monitor the actual state of the cutting mechanism to ensure that it is in the correct position, confirm whether the cutting operation is successful through real-time feedback from the position sensor, check the operating state of the cutting mechanism to ensure its normal operation, and issue an alarm when an abnormality occurs.

[0047] Specifically, the alarm and display module includes setting a sound alarm for sending out sound signals to remind the operator that there is a problem with the system, setting a visual alarm for providing a visual alarm signal, setting different alarm levels and thresholds to adjust the alarm triggering conditions according to actual conditions, displaying real-time system status, defect information, operation prompts and alarm messages through a touch screen, operating and configuring the system through a touch screen, displaying the system's historical fault records, detection data and alarm events so that the operator can perform fault analysis and trend monitoring, providing a graphical display of data to help the operator understand abnormal conditions in the production process, allowing the operator to configure the system, adjust parameters, start / stop detection operations, provide operation confirmation and error feedback, and help the operator to promptly understand the operation results and system status. Through a network interface or communication protocol, the alarm information and system status are sent to a remote monitoring center or management system to facilitate remote monitoring and maintenance by the management level. Integrated system: integrated with other production systems or MES (manufacturing execution system) to provide monitoring and management functions for the entire production line. The alarm and display module can not only promptly inform the operator of abnormal conditions in the system, but also help them quickly locate and solve problems, thereby improving production efficiency and reducing downtime.

[0048] Specifically, the data recording and analysis module includes collecting various data from the defect detection module, the cutting mechanism control module, and the sensor, including defect type, frequency of occurrence, number of cuts, and production speed, saving the collected data in a database, and providing data processing and analysis functions, such as statistical analysis, trend analysis, and anomaly detection. Through the analysis of historical data, problems and trends in the production process are identified, and advanced analysis techniques are used to identify complex patterns and potential problems. Real-time production reports are generated, including current production status, defect statistics, and cutting operations. Periodic historical reports are generated to review and analyze problems in the production process, help identify long-term trends and potential improvement points, and visualize data in the form of charts, line graphs, and pie charts to help operators and management intuitively understand production data and trends, analyze data, automatically identify abnormal situations or deviations from the normal production range, and trigger alarms or notifications. The analysis results and suggestions are fed back to operators or engineers to help them adjust production parameters or perform maintenance in a timely manner.

[0049] The data analysis collects the real-time data of the mold and establishes a database, filters the data in the database, and filters out the data in the database to establish a new data set, including:

[0050]

[0051] Among them, Y(t) is the current comparison median data, (X(t)+X(t-1)+…+X(t-M+1)) is the sum of the data in the current database, and M is the number of data in the current database. By analyzing the output data at the current time point, calculating the median of all the data in the database according to the number, comparing the comparison median data with the current output data, and judging whether the current data meets the inclusion requirements of the data set according to the error range, the data is recorded.

[0052] The data analysis controls the stroke of the mold through the PID algorithm, and the PID control algorithm is as follows:

[0053]

[0054] Among them, U(t) is the input quantity at the current time, kp is the PID coefficient, err(t) is the proportional term, is the integral term, T I is the integration coefficient, is the differential term, T D The differential coefficient is used to monitor the safety status of the injection molding process of the mold and provide real-time feedback through the PID control algorithm, ensuring that the injection molding machine can provide accurate positioning feedback for injection molded parts with internal problems during injection molding.

[0055] Data analysis can also be integrated with the Manufacturing Execution System (MES), Enterprise Resource Planning (ERP) system or other production management systems for data sharing and collaborative work. API interface: Provides an open API interface to facilitate the integration of data and analysis results with other systems or platforms. Data backup system: Back up data regularly to prevent data loss or damage. Data security measures: Including access control, encryption, etc. to ensure data security and privacy. Through these functions, the data recording and analysis module can help production managers monitor production status in real time, identify and solve problems, optimize production processes, and improve product quality and production efficiency.

[0056] Specifically, the system power supply and backup module provides a stable power supply to various components of the system, including controllers, sensors, actuators and display devices. Through power regulation and protection functions, overvoltage protection, overcurrent protection and short circuit protection are provided to ensure that the system is not affected by power problems. When the main power fails, the UPS provides temporary power to ensure that the system continues to operate and prevent data loss or equipment damage. By providing additional power support, when long-term backup power is required, during UPS battery replacement or maintenance, the working status of the power system is monitored in real time, including voltage, current and power indicators. The monitoring system detects power problems and issues alarms, regularly checks the health status of power components, and prevents power failures from affecting the system. A regular automatic backup plan is configured to ensure that the latest data and configuration files are saved and reduce the need for human intervention. A data recovery function is provided to quickly restore to a backup state when data is lost or damaged. When the main power fails, it automatically switches to the backup power supply to ensure that the system does not shut down due to power outages. Power priorities are set according to the needs of different components to ensure that key components get power first when power is insufficient.

[0057] The status of the power system is displayed in real time through the display or monitoring interface, including power supply power, operating time and fault information. Operation panel: allows the operator to manually control power switching, view power status and configure power settings. Develop and implement regular maintenance plans for the power system, including checking battery status, cleaning power devices, updating firmware, etc. Service support: Provide technical support and services to ensure that the power system can operate efficiently and stably. Through these functions, the system power and backup module can ensure the reliability and stability of the injection mold defect monitoring system, reduce the risk of system downtime or data loss due to power problems, and thus ensure the smooth progress of the production process.

[0058] According to another aspect of the present invention, there is provided a defect monitoring method for an injection mold, comprising any one of the defect monitoring systems for an injection mold described above, comprising:

[0059] S1: Defect determination: Analyze the collected data to determine whether there are defects. According to the preset standards or thresholds, determine whether the cut-off mechanism needs to be activated to confirm the authenticity and severity of the defects to avoid false alarms or unnecessary cut-off operations.

[0060] S2: Trigger the cutting mechanism, transmit the defect detection results to the cutting mechanism control module, decide whether to trigger the cutting operation according to the detection results, send out a cutting signal, and start the gate cutting mechanism at both ends of the mold;

[0061] S3: The cutting mechanism performs the cutting operation according to the control signal, the water inlets at both ends of the mold are cut off, and the production of injection molded parts is stopped;

[0062] S4: Check and process the defective parts that have been injected, ensure that they are removed from the production line, verify whether the cutting operation is successful, and ensure that no more defective parts are produced;

[0063] S5: Recalibrate and set up the system to ensure the normal operation of the mold and production line. After confirming that the cutting operation is correct, resume normal injection molding production.

[0064] By recording detailed information of the cutting operation, including trigger conditions, number of cuttings, defect types, etc., a report is generated to analyze the causes of defects and the effects of the cutting operation, providing data support for subsequent improvements. In-depth analysis of defect data is conducted to find possible production problems or equipment failures. Based on the analysis results, production parameters are adjusted or equipment maintenance is performed to reduce future defects. The key to this process is to detect defects in a timely and accurate manner and effectively control the cutting mechanism to avoid producing more defective products and ensure the stability of the production process and product quality.

[0065] The working principle of the defect monitoring system and method for injection molds of the present invention is as follows: the sprue cutting mechanism is used to detect one or more defective injection molded parts, and the sprue cutting mechanisms at both ends of the mold start to work, and after injection molding, the whole mold product has one or more injection molded parts missing; the material pulling component is used to pull the molded injection molded parts out of the fixed mold outlet, or when one or more defective injection molded parts are detected, the current outlet is pulled to remove the damaged hardware; the control system is used to supervise the injection molding of the hardware in the fixed mold, and when one or more defective injection molded parts are detected, the sprue cutting mechanism and the material pulling component are controlled to pull and remove the damaged hardware in the mold cavity, which reduces the utilization rate of good products of a mold, saves plastic materials, reduces the scrap rate of hardware, and saves product costs and improves efficiency; through defect judgment, the collected The data received is analyzed to determine whether there are defects. According to the preset standards or thresholds, it is determined whether the cutting mechanism needs to be activated to confirm the authenticity and severity of the defects to avoid false alarms or unnecessary cutting operations; the cutting mechanism is triggered, and the defect detection results are transmitted to the cutting mechanism control module. According to the detection results, it is decided whether to trigger the cutting operation, and a cutting signal is issued to start the water inlet cutting mechanism at both ends of the mold; the cutting mechanism performs the cutting operation according to the control signal, the water inlets at both ends of the mold are cut off, and the continued production of injection molded parts is stopped; the defective parts that have been injected are checked and processed to ensure that they are removed from the production line, and the cutting operation is verified to be successful to ensure that no more defective parts are produced; the system is recalibrated and set to ensure the normal operation of the mold and production line. After confirming that the cutting operation is correct, normal injection molding production is resumed, which has the function of accurately controlling the injection damage of the injection mold.

[0066] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A defect monitoring system for injection molds, characterized in that: The invention comprises an upper mold plate (1), a lower mold plate (2), a side mold plate, a mold cavity (3), a movable mold and a fixed mold (4), wherein the fixed mold (4) is arranged between the upper mold plate (1) and the lower mold plate (2), the movable mold is connected to an injection molding machine, the mold cavity (3) is arranged between the upper mold plate (1) and the lower mold plate (2) and is used to install the fixed mold (4), and the side mold plate is arranged on the outer side of the movable mold.

2. A defect monitoring system for injection molds according to claim 1, characterized in that: Also includes: A sprue cutting mechanism (5) is arranged on the fixed mold (4) and connected to the feed port and the discharge port of the fixed mold (4). The sprue cutting mechanism (5) is used to detect that one or more defective injection molded parts are detected. The sprue cutting mechanisms (5) at both ends of the mold start to work, and after injection molding, one or more injection molded parts of the entire mold product are missing.

3. A defect monitoring system for injection molds according to claim 2, characterized in that: A material pulling component (6), wherein the material pulling component (6) is arranged at the discharge port of the fixed mold (4), and the material pulling component (6) is used to pull the molded injection molded parts out of the discharge port of the fixed mold (4) or, when one or more defective injection molded parts are detected, to pull the materials out of the current discharge port to remove damaged hardware.

4. The defect monitoring system for injection mold according to claim 3, characterized in that: A control system is provided, wherein the control system is connected to the water inlet cutting mechanism (5) and the material pulling component (6), and the control system is used to monitor the injection molding of the hardware parts in the fixed mold (4). When one or more defective injection molded parts are detected, the water inlet cutting mechanism (5) and the material pulling component (6) are controlled to remove the damaged hardware parts in the mold cavity (3) by pulling, thereby reducing material waste.

5. The defect monitoring system for injection mold according to claim 4, characterized in that: The water outlet cutting mechanism (5) comprises a controller (51), a water pipe (52), a connecting pipe (53) and a water outlet (54); the controller (51) is connected to the fixed mold (4); the controller (51) is connected to the water pipe (52); the connecting pipe (53) is connected to the water pipe (52); the water outlet (54) is arranged on the connecting pipe (53); the controller (51) is used to receive the water output of the water outlet (54) and control the water output to stop the injection molding of the mold at that location when one or more defects of the injection molded parts are detected.

6. The defect monitoring system for injection mold according to claim 5, characterized in that: The pulling assembly (6) includes a pulling rod (62) and a pulling track (61). The pulling track (61) is arranged on the fixed mold (4). The pulling rod (62) is arranged on the pulling track (61). The pulling rod (62) is connected to hardware. When one or more defective injection molded parts are detected, the pulling rod (62) pulls out and cuts off the group of hardware to ensure the utilization rate of the material.

7. The defect monitoring system for injection mold according to claim 6, characterized in that: The control system comprises: Defect detection module, used to detect the quality of injection molded parts, including visual sensors, laser sensors, temperature sensors, processing the images or data obtained by the sensors, judging whether the injection molded parts have defects, analyzing and making decisions on the sensor data, and determining whether the cutting mechanism needs to be activated; The cutting mechanism control module receives the signal from the defect detection module and controls the action of the cutting mechanism according to the set logic, controls the gate cutting mechanisms at both ends of the mold, and cuts off the injection runner.

8. The defect monitoring system for injection mold according to claim 7, characterized in that: The alarm and display module issues an alarm when a defect is detected or the cut-off mechanism is activated, notifies the operator, and provides real-time system status, defect information, and operation prompts; Data recording and analysis module, which records various data in the production process, including defect type, frequency of occurrence, number of cuts, and analyzes the recorded data to help find the root cause of the problem and optimize the production process; Communication module, which communicates with other production equipment or systems to transmit monitoring data and control instructions; The system power supply and backup module provides stable power to the control module and sensors, ensuring that the system can maintain basic functions in the event of power outage or other failures.

9. The defect monitoring system for injection mold according to claim 8, characterized in that: The defect detection module includes a high-resolution visual sensor and a physical sensor, which are used to capture the appearance information and physical properties of the injection molded parts. A lighting unit is set up and sufficient lighting is provided to ensure that the sensor can clearly capture images or detect physical conditions. The image data captured by the sensor is converted into a digital signal processed by a computer, and an image processing algorithm is executed to process the captured image data and compare it with the preset defect standard to determine whether the injection molded parts have defects. The accuracy and speed of defect detection are improved through machine learning and deep learning algorithms.

10. The defect monitoring system for injection mold according to claim 9, characterized in that: The cutting mechanism control module includes a control unit, which is used to receive the signal transmitted by the defect detection module, and control the action of the cutting mechanism according to preset logic and conditions, perform complex logical operations and sequential control to ensure that the cutting mechanism performs the cutting operation at the correct time, control the switching state of the water outlet, control the cutting mechanism of the mold through air pressure or hydraulic pressure, monitor the actual state of the cutting mechanism to ensure that it is in the correct position, confirm whether the cutting operation is successful through real-time feedback from the position sensor, check the operating state of the cutting mechanism to ensure its normal operation, and issue an alarm when an abnormality occurs.

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